World's richest butcher prides himself on selling safe meat in a country where food safety scandals occur often. Yet even Zhu had a scare last April when small batch of meat sold by his China Yurun Food, one of China's largest pork processors, was found to be tainted. The problem, which turned out to be an isolated incident, was contained; stock is up 136% since. Also a major shareholder in Nanjing Central Emporium, a Shanghai-listed department store, and Yurun Dihua, a real estate company. Co-founded Nanjing Yurun Meat Product, a predecessor business to China Yurun, with wife Wu Xueqin in 1993.